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Abbey(Please help)
Questions and answers by visitors named
Abbey(Please help)
Questions (24)
A point in polar coordinates is given, Find the corresponding rectangular coordinates for the point.
(r,Q) = (4, 3pi/2) I know
3 answers
1,207 views
A painter working at 100 feet from the ground, drops his paint brush onto the street below. The function,
s(t)=-16t^2+100, gives
4 answers
890 views
I need to give an example of a function with at least one removable and one non-removable discontinuity. I am not to sure how to
1 answer
418 views
I need to graph the polar equation
3 + 3cosQ and i need to create a table of values for r and Q. Could someone please explain how
1 answer
379 views
plot the point given in polar coordinates and find the corresponding rectangular coordinates for the point.
(-1 , -3pi/4) I do
4 answers
2,202 views
Determine whether f is continuous at x=c in the function. Use the 3 conditions of continuity to justify your answer.
f(x) =
3 answers
1,014 views
The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point.
(-3,-3)
2 answers
685 views
When trying to solve
arctan(sqrt 567.2 / -459.6) my answer was -2.96. My teacher said that i handled the radical wrong. She said
3 answers
710 views
Write an expression for the most apparent nth term of the sequence. Assume n begins with 1.
3,7,11,15,19 My answer was an= 3 +4n
4 answers
1,644 views
Find the center, vertices, foci, and eccentricity of the ellipse.
9x^2 + 4y^2 - 36x + 8y + 31 = 0 My answer was: center=(2,1)
3 answers
686 views
Find an equation of the ellipse with its center at the origin.
center(0,0) foci(2,0)(-2,0) major axis=8 My answer is x^2/16 +
2 answers
528 views
I have a TI-83 graphing calculator. How do you graph a polar equation on this calculator. Also how would I graph lim 5/x-2 x-->2
2 answers
526 views
Find the angle Q between the two vectors.
u = 10i + 40j v = -3j+8k cos <10,40,0> <0,-3,8> / sqrt1700 sqrt73 cos(-120/sqrt1700
4 answers
541 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.
(2+2i)^6 a=2 b=2
1 answer
889 views
Logs are stacked up in apile as shown in the figure. The top row has 15 logs and the bottom row has 21 logs. How many logs are
4 answers
1,088 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.
(2+2i)^6 a=2 b=2
4 answers
835 views
Find the center, vertices, foci, and eccentricity of the ellipse.
9x^2 + 4y^2 - 36x + 8y + 31 = 0 I know the center is (2,-1) For
5 answers
929 views
Use a graphing utility to graph the function. Then use the trace or table feature to identify the limit.
lim 5/x-2 x-->2 I know I
2 answers
1,047 views
Find an equation of the parabola.
vertex:(-1,2) focus:(-1,0) (x+1)^2 = 4p(y-2) (x+1)^2 = 0(y-2) (x+1)^2 = (y-2) Am I correct?
1 answer
426 views
Find the vertex, focus, and directrix of the parabola.
x^2 - 2x + 8y + 9 = 0 x^2 - 2x +1 = -8y + 9+ 1 (x-1)^2 = -8(y-1.25)
5 answers
1,452 views
The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point for 0 is less than or equal
1 answer
757 views
Find the vertex, focus, and directrix of the parabola.
x^2 - 2x + 8y + 9 = 0 x^2 - 2x +1 = -8y + 9+ 1 (x-1)^2 = -8(y-1.25)
3 answers
721 views
Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole.
r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin
1 answer
540 views
Find an equation of the hyperbola with its center at the origin.
vertices:(3,0)(-3,0) Foci (5,0)(-5,0) My answer was x^2/3 -
3 answers
470 views
Answers (9)
Nevermind. I figured it out
My teacher said that I had sign errors. I do not see where I went wrong.
Is this correct?
so the vertices would be (2, -1+sqrt5/2) (2, -1-sqrt5/2)?
Would n be 14?
I am not sure what to change.
Thank You
Thank You!
Thank You!!
